EP 2926008 B1 20190327 - VARIABLE DISPLACEMENT LUBRICANT VANE PUMP
Title (en)
VARIABLE DISPLACEMENT LUBRICANT VANE PUMP
Title (de)
VERSTELLBARE SCHMIERMITTELVERDRÄNGUNGSPUMPE MIT FLÜGELN
Title (fr)
POMPE À AILETTES À CYLINDRÉE VARIABLE POUR LUBRIFIANT
Publication
Application
Priority
- EP 12194435 A 20121127
- EP 2013074868 W 20131127
- EP 13796066 A 20131127
Abstract (en)
[origin: EP2735740A1] A variable displacement lubricant vane pump (10) is provided with a pump rotor (20) rotating around a rotor axis (21) and with a rotor body (24) provided with vane slits (25) wherein shiftable rotor vanes (26) are arranged. A shiftable control ring (30) is provided wherein the slidable vanes (26) are rotating, the control ring (30) being actuated to control the eccentricity of the control ring (30) with respect to the rotor axis (21). A metal pump housing (12) including two parallel sidewalls (16, 17) is provided which axially cover the rotor body (24), the rotor vanes (26) and the control ring (30). The control ring (30; 30') is provided with a control ring body (31; 31') made out of the same plastic material with a thermal expansion coefficient a P of 65% to 150% of the thermal expansion coefficient a M of the housing metal.
IPC 8 full level
F04C 2/348 (2006.01); F04C 14/22 (2006.01)
CPC (source: EP)
F04C 2/348 (2013.01); F04C 14/223 (2013.01); F04C 2210/206 (2013.01); F05C 2201/021 (2013.01); F05C 2225/00 (2013.01); F05C 2251/046 (2013.01); F05C 2253/04 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2735740 A1 20140528; EP 2735740 B1 20180124; EP 2926008 A1 20151007; EP 2926008 B1 20190327; WO 2014083063 A1 20140605
DOCDB simple family (application)
EP 12194435 A 20121127; EP 13796066 A 20131127; EP 2013074868 W 20131127